Home / 291,348,007.20-437,022,010.80-226,299,628.80

Finding the Fourth Proportional to 291,348,007.20, 437,022,010.80 and 226,299,628.80

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Solution

The fourth proportional to 291,348,007.20, 437,022,010.80 and 226,299,628.80 is: 339,449,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,348,007.20 : 437,022,010.80 = 226,299,628.80 : x
  2. Step 2: Convert to fraction form
    291,348,007.20/437,022,010.80 = 226,299,628.80/x
  3. Step 3: Cross multiply
    291,348,007.20x = 437,022,010.80 × 226,299,628.80
  4. Step 4: Simplify right side
    291,348,007.20x = 98,897,918,821,469,600
  5. Step 5: Solve for x
    x = 98,897,918,821,469,600/291,348,007.20
  6. Step 6: Final answer
    x = 339,449,443.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.